Gạch chân từ ko cùng nhóm nghĩa : 2. pen, scissors, ruler, compass 3. shirt, skirt, blouse, table 4. went, came, agrred, sang 5. can, many, eat, must 6. tooth, cavity, dentist, headache 7. face, clothes, hair, teeth 8. stand, common, check, wait 9. cold, toothache, virus, flu 10. carot, pea, cucumber, dinner 11. like, hate, favorite, need 12. orange, durian, papaya, food 13. oil, plate, bowl, chopstick 14. water, sea, land, ocean 15. driver, underwater, adult, participant 16. addictive, careful, play, rick